code: def get_shuffle_fetch_type(self) -> ShuffleFetchType:
      return ShuffleFetchType.FETCH_BY_KEY
  
file_path: mars/mars/services/task/execution/mars/config.py
imports: from typing import Dict, List
  from .....core.operand.shuffle import ShuffleFetchType
  from .....resource import Resource
  from ..api import ExecutionConfig, register_config_cls
  from ..utils import get_band_resources_from_config
label_desc: Use image node_id 3 for calling the MarsExecutionConfig obj's underlying member method code with example usage: obj.get_shuffle_fetch_type() and returns: ShuffleFetchType